Answer this question truthfully
### Question: What causes Organic brain syndrome?
### Response: Disorders associated with OBS include:
Brain injury caused by trauma:
Bleeding into the brain (intracerebral hemorrhage) Bleeding into the space around the brain (subarachnoid hemorrhage) Blood clot inside the skull causing pressure on brain (subdural hematoma) Concussion
Breathing conditions:
Low oxygen in the body (hypoxia) High carbon dioxide levels in the body (hypercapnia)
Cardiovascular disorders:
Abnormal heart rhythm (arrhythmias) Brain injury due to high blood pressure (hypertensive brain injury) Dementia due to many strokes (multi-infarct dementia) Heart infections (endocarditis, myocarditis) Stroke Transient ischemic attack (TIA)
Degenerative disorders:
Alzheimer's disease (also called senile dementia, Alzheimer's type) Creutzfeldt-Jacob disease Diffuse Lewy Body disease Huntington's disease Multiple sclerosis Normal pressure hydrocephalus Parkinson's disease Pick's disease
Dementia due to metabolic causes
Drug and alcohol-related conditions:
Alcohol withdrawal state Intoxication from drug or alcohol use Wernicke-Korsakoff syndrome (a long-term effect of excessive alcohol consumption or malnutrition) Withdrawal from drugs (especially sedative - hypnotics and corticosteroids)
Infections:
Any sudden onset (acute) or long-term (chronic) infection Blood poisoning (septicemia) Brain infection (encephalitis) Meningitis (infection of the lining of the brain and spinal cord)
Other medical disorders:
Cancer Kidney disease Liver disease Thyroid disease (high or low) Vitamin deficiency (B1, B12, or folate)